def test_read_data():
    input_file = "stable_isotope_data_assignment2.csv"
    data_directory = os.path.realpath(os.path.join(os.path.dirname(__file__),"..","data"))
    input_filename = os.path.join(data_directory,input_file)
    isotope_data = plotting.read_data(input_filename, starting_row=0)

    assert(isotope_data.shape == (54,2))
    assert(isotope_data[0,1] == -5.85)
def test_read_data():
    input_file = "110-tavg-12-12-1950-2020.csv"
    data_directory = os.path.realpath(
        os.path.join(os.path.dirname(__file__), "..", "data"))
    input_filename = os.path.join(data_directory, input_file)
    temperature_data = plotting.read_data(input_filename, starting_row=0)

    assert (temperature_data.shape == (71, 3))
    assert (temperature_data[0, 1] == 51.39)
def test_read_data():
    """"A test for the read_data function"""
    input_file = "12009_phase_diagram.txt"
    data_directory = os.path.realpath(
        os.path.join(os.path.dirname(__file__), "..", "data"))
    input_filename = os.path.join(data_directory, input_file)
    phase_diagram_data = plotting.read_data(input_filename)
    assert (phase_diagram_data.shape == (15, 6))
    assert (phase_diagram_data.columns[0] == 'Pressure')